Doppelblitzaufnahmen
Kavitation

Double
exposure image of Cavitation

Streaming
direction: right to left

Medium:
Water
Nozzle dimensions: w=200µm, l=1mm
Pressure: 32 bar

Flash
delay: 600ns
Flash duration: 20ns

The
highlighted parts are the nozzle edges and the edges of the cavitationfield.
Apart from these areas, the double-illuminated particles can
be clearly located in two positions of their flow.
(red circles indicate these two positions, violet circles indicate
dirtparticles, which return in every image).
In the shown images, velocities of 67 to 80m/s were measured.